Home / 148,989.38-223,484.06-38,181.38

Finding the Fourth Proportional to 148,989.38, 223,484.06 and 38,181.38

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Solution

The fourth proportional to 148,989.38, 223,484.06 and 38,181.38 is: 57,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.38 : 223,484.06 = 38,181.38 : x
  2. Step 2: Convert to fraction form
    148,989.38/223,484.06 = 38,181.38/x
  3. Step 3: Cross multiply
    148,989.38x = 223,484.06 × 38,181.38
  4. Step 4: Simplify right side
    148,989.38x = 8,532,928,796.84
  5. Step 5: Solve for x
    x = 8,532,928,796.84/148,989.38
  6. Step 6: Final answer
    x = 57,272.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.